India Insider: Nifty Defense Index Surges in 2025 Rearmament

2025 has marked a defining moment for defense equities, both globally and in India. The Nifty India Defence (Defense) Index, which tracks the country’s leading defense manufacturers, has surged sharply on the back of robust order flows, a structural policy shift, and increasingly volatile geopolitical conditions. This rise is not an isolated event but part of a broader global rearmament cycle that is reshaping the defense industrial landscape.

Nifty India Defence (Defense) Index One Year Chart as of 20th November 2025

India’s defense sector has been one of the standout performers in the domestic equity market. By mid-2025, the Nifty Defense Index had risen more than 25% year to date, outperforming most sectoral indices. This rally is primarily anchored in strong capital expenditure by the Government of India, which continues to accelerate indigenous military modernization. The Defense Ministry’s approvals which is running into tens of thousands of crores have expanded visibility for companies such as HAL, Bharat Electronics, Bharat Dynamics, and shipbuilding PSUs (Public Sector Undertakings). For investors, the nature of long durations within defense order books has provided earnings stability at a time when other manufacturing sectors have been grappling with cyclical softness.

The second driver has been a multi-year strategic shift toward import substitution. India’s reliance on foreign weapons systems has long strained its current accounts and created operational vulnerabilities. However, the ongoing indigenization push, reinforced by Production Linked Incentive schemes, procurement embargoes on foreign systems, and export incentives, has fundamentally realigned the sector. Defense exports have crossed record levels, and Indian firms are increasingly integrated into global supply chains for electronics, avionics, and ammunition.

Global Industrial Defense Rebirth

But the domestic story is tightly interconnected with developments abroad. The global defense market is undergoing its most significant expansion since the post 9/11 decade. Russia’s war in Ukraine, the Red Sea shipping crisis, conflict in the Middle East, and a renewed great power rivalry in the Indo-Pacific have pushed countries to reassess defense readiness. NATO’s decision in 2025 to raise defense spending targets from 2% of GDP to 5% by 2035 has far reaching implications. This commitment translates into trillions of dollars in additional defense outlays over the coming decade, making Europe one of the fastest-growing defense markets.

Companies such as Rheinmetall, BAE Systems, Lockheed Martin, and Northrop Grumman are already reporting record order inflows. Rheinmetall, Germany’s largest defense company, expects its revenues to quintuple by 2030, reflecting unprecedented demand for advanced artillery, ammunition, and combat vehicles. The United States, meanwhile, continues to channel significant funding into hypersonic, missile defense, and drone systems as competition with China intensifies.

India's Edge in Rearmaments and Technology

This global rearmament wave has a direct spillover effect on India. International supply chain shortages particularly for semiconductors, propulsion systems, and munitions have created opportunities for Indian firms to plug capability gaps. With a cheaper cost base and growing technological sophistication, Indian defense manufacturers are emerging as viable exporters in segments such as UAVs, naval platforms, and electronic warfare systems.

In this environment, the rally in the Nifty Defense Index is not merely speculative exuberance, but a significant reflection of structural and synchronized global demand. As defense has evolved from a low beta sector to a strategic growth industry, India’s integration into the global defense economy positions its companies for sustained earnings expansion over the next decade.